Bell Potter have reiterated their buy recommendatio on CBA ahead of their full year results in mid August. Bell's have a $78 target on the stock and has cited record earnings, technology innovation and lower earnings volatility as the key factors they remain bullish on CBA. With a resurgence in the East Coast mortgage market expected to emerge in the years ahead some market comentators are isolating the banking sector as the best way to get exposure to the recovery with record earnings and rising yields underpinning the current valuations.